Sandra Bullock may have been busy with magic and spells on “Practical Magic,” but she did take time out of her busy schedule to do a selfless act.According to Alice Hoffman — the author of the 1995 novel of the same name — the Oscar winner reached out to her son when he was too sick to visit the set.“I don’t know how old he was at that time, but he was maybe 10 or 11. He couldn’t go on the set,” Hoffman, 71, recalls to the Post. “Sandra Bullock called him at the hotel and talked to him for an hour.